Useful screens, instantly.
Put your whole screen to work.
Bright light, exact color, a clear clock, or a timer the whole room can see. No account. No install. No clutter.
Runs locally in your browser · Preferences stay on your device
Start with the essentials
One small tool for one clear job.
Every tool opens fast, works on any modern browser, and gets out of your way.
White screen
Open a clean white screen in fullscreen for tracing, soft light, product photos, monitor cleaning, and pixel inspection.
Open tool ↗02Black screen
Make your display completely black in fullscreen to darken a spare monitor or inspect backlight bleed and bright pixels.
Open tool ↗03Custom color
Fill your entire screen with an exact HEX color for lighting, projection, photography, backgrounds, and display checks.
Open tool ↗04Visual timer
A simple fullscreen classroom countdown timer with large numbers, calm progress, and quick lesson presets.
Open tool ↗05Fullscreen clock
A large fullscreen digital clock with seconds, date, 12 or 24 hour time, and high-contrast display themes.
Open tool ↗06Text sign
Type a message and display it as large fullscreen text for pickups, events, directions, counters, and quiet communication.
Open tool ↗07Photo background
Use a monitor or TV as a solid photography background with white, neutral gray, black, chroma green, or any custom color.
Open tool ↗08Monitor test
Check a monitor for dead pixels, backlight bleed, color uniformity, gradients, geometry, and sharpness with fullscreen patterns.
Open tool ↗09Classroom display
Put the lesson instruction, current time, and a visual countdown together on one clean fullscreen classroom display.
Open tool ↗Made for classrooms, studios, workspaces, and spare screens.